Qt 自定义进度条

[{"title":"（ 16 个子文件 17KB ） Qt 自定义进度条","children":[{"title":"QtProgressBar","children":[{"title":"PaiProgressBar.h <span style='color:#111;'> 1.34KB </span>","children":null,"spread":false},{"title":"ui_widget.h <span style='color:#111;'> 1.20KB </span>","children":null,"spread":false},{"title":"TestNetIp.pro <span style='color:#111;'> 465B </span>","children":null,"spread":false},{"title":"widget.ui <span style='color:#111;'> 441B </span>","children":null,"spread":false},{"title":"TestNetIp.qrc <span style='color:#111;'> 241B </span>","children":null,"spread":false},{"title":"TestNetIp.pro.user <span style='color:#111;'> 17.78KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 175B </span>","children":null,"spread":false},{"title":"Makefile <span style='color:#111;'> 18.93KB </span>","children":null,"spread":false},{"title":"image","children":[{"title":"PrgsBarFg.png <span style='color:#111;'> 501B </span>","children":null,"spread":false},{"title":"PrgsBarEr.png <span style='color:#111;'> 530B </span>","children":null,"spread":false},{"title":"PrgsBarBg.png <span style='color:#111;'> 244B </span>","children":null,"spread":false}],"spread":true},{"title":"widget.cpp <span style='color:#111;'> 779B </span>","children":null,"spread":false},{"title":"Makefile.Debug <span style='color:#111;'> 46.92KB </span>","children":null,"spread":false},{"title":"widget.h <span style='color:#111;'> 442B </span>","children":null,"spread":false},{"title":"PaiProgressBar.cpp <span style='color:#111;'> 4.81KB </span>","children":null,"spread":false},{"title":"Makefile.Release <span style='color:#111;'> 47.04KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]